-3a-12=-5(-3a+6)

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Solution for -3a-12=-5(-3a+6) equation: 



-3a-12=-5(-3a+6)

We move all terms to the left:

-3a-12-(-5(-3a+6))=0



We calculate terms in parentheses: -(-5(-3a+6)), so:

-5(-3a+6)

We multiply parentheses

15a-30

Back to the equation:

-(15a-30)



We get rid of parentheses

-3a-15a+30-12=0

We add all the numbers together, and all the variables

-18a+18=0

We move all terms containing a to the left, all other terms to the right

-18a=-18

a=-18/-18

a=1

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